package com.wang.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * 使用注解的方式替代web.xml的配置
 */
@WebServlet(name = "demoServlet",urlPatterns = {"/abc"})
public class DemoServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("[DemoServlet] doGet");
        resp.setContentType("text/plain");
        PrintWriter out = resp.getWriter();
        out.println("hello world");
    }
}